auto save

aaa.py

+def new_input():
+    total = []
+    while True:
+        unit = input('请输入（q退出）：')
+        if unit == 'q':
+            break
+        else:
+            try:
+                unit = int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
+                total.append(unit)
+            finally:
+                print("=====================")
+    return total
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count

bbb.py

+import aaa
+data=aaa.new_input()
+s=aaa.sum(data)
+print("您一共消费了" + str(s) + "元！扫码还是现金呢？")
\ No newline at end of file